GENERAL KNOWLEDGE

GK

SOLAR SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A chunk of rock that burns up upon entering a planet’s atmosphere
A
Comet
B
Meteor
C
Meteoroid
D
Asteroid
Explanation: 

Detailed explanation-1: -Meteoroids are objects in space that range in size from dust grains to small asteroids. Think of them as “space rocks.” When meteoroids enter Earth’s atmosphere (or that of another planet, like Mars) at high speed and burn up, the fireballs or “shooting stars” are called meteors.

Detailed explanation-2: -A meteor air burst is a type of air burst in which a meteor explodes after entering a planetary body’s atmosphere. This fate leads them to be called fireballs or bolides, with the brightest air bursts known as superbolides.

Detailed explanation-3: -Those meteors are burning up in the mesosphere. The meteors make it through the exosphere and thermosphere without much trouble because those layers don’t have much air. But when they hit the mesosphere, there are enough gases to cause friction and create heat.

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